DrakoRod <drakoflames(at)hotmail(dot)com> writes:
> I reindex the pg_proc table and reindex finished correctly but I try read
> the tables or make the dump and same error, reindexed the database and show
> me this error:
> ERROR: cache lookup failed for function 125999
This suggests you've actually lost some entries from pg_proc. Have
you had any system crashes or suchlike?
> Any suggestions, If I run pg_upgrade to 10, will these errors be corrected?
No, pg_upgrade can't magically restore data that's not there.
regards, tom lane